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Slashdot News for nerds, stuff that matters Fiber Optics Bring You Internet. Now They're Also Listening To Trains Feb 1st 2024, 03:30, by BeauHD An anonymous reader quotes a report from Wired: Stretching thousands upon thousands of miles under your feet, a web of fibrous ears is listening. Whether you walk over buried fiber optics or drive a car across them, above-ground activity creates a characteristic vibration that ever-so-slightly